package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberMapper;
import com.itheima.dao.OrderMapper;
import com.itheima.dao.OrderSettingMapper;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderSettingMapper orderSettingMapper;

    @Autowired
    private MemberMapper memberMapper;

    @Autowired
    private OrderMapper orderMapper;
    //体检预约
    @Override
    public Result order(Map map) throws Exception {
        //检查当前日期是否进行了预约设置
        //预约日期
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        //根据日期查询
        OrderSetting orderSetting = orderSettingMapper.findByOrderDate(date);
        if (orderDate == null){
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }

        //检查用户所选择的日期是否已经约满，如果约满则无法预约
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if (reservations>=number)
            return new Result(false,MessageConstant.ORDER_FULL);
        //检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        String telephone = (String) map.get("telephone");
        Member member = memberMapper.findByTelephone(telephone);
        if (member != null){
            //会员id
            Integer memberId = member.getId();
            //套餐id
            String setmealId = (String) map.get("setmealId");
            Order order = new Order(memberId,date,Integer.parseInt(setmealId));
            List<Order> orderList = orderMapper.findByCondition(order);
            if (orderList != null && orderList.size() >0 )
                //说明用户在重复预约，无法完成再次预约
                return new Result(false,MessageConstant.HAS_ORDERED);
        }else {
            //检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberMapper.add(member);//自动完成会员注册
        }
        //5、预约成功，更新当日的已预约人数
        Order order = new Order();
        order.setMemberId(member.getId());//设置会员ID
        order.setOrderDate(DateUtils.parseString2Date(orderDate));//预约日期
        order.setOrderType((String) map.get("orderType"));//预约类型
        order.setOrderStatus(Order.ORDERSTATUS_NO);//到诊状态
        order.setSetmealId(Integer.parseInt((String) map.get("setmealId")));//套餐ID
        orderMapper.add(order);

        //设置预约人数+1
        orderSetting.setReservations(orderSetting.getReservations()+1);
        orderSettingMapper.editNumByOrderDate(orderSetting);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderSettingMapper.findById4Detail(id);
        if (map!=null){
            Date  orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
